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Fostex FE83E Specifications

Fostex full range speaker unit specifications

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Features
• 'ES cone' paper made of ba-
nana plant's fiber
• Newly designed center cap
• Ferrite magnet

Specifications

&
Thiele/Small Parameters
Size
:
Voice Coil Diameter
:
Cast / Stamped
:
Impedance
:
Reproduction Frequency Response
:fs -
Sound Pressure Level
:
Rated Input
:
Music Power
:
Magnet Material
:
Magnet Weight
140
(main)
:
(cancel)
:
Net Weight
360
a :
D :
Sd :
0.00283
Zn :
Fs :
Re :
7.87
Le :
Qms :
4.00
Qes :
0.98
Qts :
0.79
Mms :
1.39
BL :
2.98
Vas :
1.29
Xmax :
0.40
Eff/η0 :
0.26
Cms :
0.00115
EBP :
80
3
mm /
in
16
mm /
0.6
in
Frequency Response / Impedance
Cast
8
110
30
kHz
100
90
80
88
dB/W(m)
70
5
W
60
10
W
50
Ferrite
(dB)
0.309
g /
lb
g /
lb
g /
0.794
lb
Dimensions & Mounting Information
30
mm
60
mm
2
m
8
127
Hz
ø77.4
n/a
mH
g
Telsa/m
L
mm
%
mm/N
130
FULL RANGE SPEAKER UNIT
FE83E
500 1000
20
Hz
50
100
200
R43
Overall Diameter :
Baffle Hole Diameter
Depth
10k
2k
5k
20k
4-4 x 6
ø70
ø60
ø75
83
83
mm /
:
70
mm /
:
44
mm /
16
8
4
40k
3.3
in
2.8
in
1.7
in

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